El Martes, 4 de Agosto de 2009, Cyril Hansen escribió:
> Hi all,
>
> I am trying to solve a noisy video issue with my new avermedia stick
> (AF9015). I am receiving french DVB signal, both SD and HD. Viewing SD
> is annoying, with the occasional video and audio quirk, and HD is
> almost unwatchable.
>
> The same usb stick with another computer and Vista gives a perfect
> image with absolutely no error from the same antenna.
>
> Yesterday I tried to update the drivers from the mercurial tree with no
> change.
>
> I noticed that the firmware available from the Net and Mythbuntu for
> the chip is quite old (2007 ?), so maybe this is the source of my
> problem. I am willing to try to use usbsnoop and the firmware cutter
> from
>
> http://www.otit.fi/~crope/v4l-dvb/af9015/af9015_firmware_cutter/firmware_fi
>les/ if nobody has done it with a recent windows driver.
>
>
> I haven't found any parameter for the module dvb_usb_af9015 : Are they
> any than can be worth to try to fix my issue ?
>
>
> Thank you in advance,
>
> Cyril Hansen
> --
I have problems with some hardware, and the buffersize when the buffersize is
not multiple of TS_PACKET_SIZE.
You can try the attached patch.
Jose Alberto
diff -r b15490457d60 linux/drivers/media/dvb/dvb-usb/af9015.c
--- a/linux/drivers/media/dvb/dvb-usb/af9015.c Sat Aug 01 01:38:01 2009 -0300
+++ b/linux/drivers/media/dvb/dvb-usb/af9015.c Tue Aug 04 13:02:37 2009 +0200
@@ -877,7 +877,7 @@
af9015_config.dual_mode = 0;
} else {
af9015_properties[i].adapter[0].stream.u.bulk.buffersize
- = TS_USB20_MAX_PACKET_SIZE;
+ = TS_USB20_FRAME_SIZE;
}
}
@@ -1312,7 +1312,7 @@
.u = {
.bulk = {
.buffersize =
- TS_USB20_MAX_PACKET_SIZE,
+ TS_USB20_FRAME_SIZE,
}
}
},
@@ -1417,7 +1417,7 @@
.u = {
.bulk = {
.buffersize =
- TS_USB20_MAX_PACKET_SIZE,
+ TS_USB20_FRAME_SIZE,
}
}
},
@@ -1523,7 +1523,7 @@
.u = {
.bulk = {
.buffersize =
- TS_USB20_MAX_PACKET_SIZE,
+ TS_USB20_FRAME_SIZE,
}
}
},
